unconfined charge

例句：

1. 1. The electric field is unconfined by the material boundaries.
   电场不受物质边界的限制。
2. 2. The unconfined charge can cause significant damage to electronics.
   无限制电荷可以对电子设备造成重大损害。
3. 3. The researcher found that the unconfined charge could be used to detect subatomic particles.
   研究者发现无限制电荷可以用来探测亚原子粒子。